The world is rife with rankings and orderings. They show up in tennis—as in the French Open, which ends with a final ranking of champion players. They show up in pandemics—as when public health officials can record new infections and use contact tracing to sketch networks of COVID-19 spread. Systems of competition, conflict, and contagion can all give rise to hierarchies.
Click here for original story, New model offers physics-inspired rankings evaluation
Source: Phys.org